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/*
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* QEMU i8255x (PRO100) emulation
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*
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* Copyright (c) 2006-2007 Stefan Weil
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*
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* Portions of the code are copies from grub / etherboot eepro100.c
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* and linux e100.c.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Tested features (i82559):
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* PXE boot (i386) no valid link
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* Linux networking (i386) ok
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*
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* Untested:
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* non-i386 platforms
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* Windows networking
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*
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* References:
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*
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* Intel 8255x 10/100 Mbps Ethernet Controller Family
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* Open Source Software Developer Manual
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*/
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#if defined(TARGET_I386)
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# warning "PXE boot still not working!" |
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#endif
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#include <assert.h> |
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#include <stddef.h> /* offsetof */ |
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#include "hw.h" |
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#include "pci.h" |
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#include "net.h" |
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#include "eeprom93xx.h" |
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/* Common declarations for all PCI devices. */
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#define PCI_CONFIG_8(offset, value) \
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(pci_conf[offset] = (value)) |
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#define PCI_CONFIG_16(offset, value) \
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(*(uint16_t *)&pci_conf[offset] = cpu_to_le16(value)) |
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#define PCI_CONFIG_32(offset, value) \
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(*(uint32_t *)&pci_conf[offset] = cpu_to_le32(value)) |
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#define KiB 1024 |
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/* debug EEPRO100 card */
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//~ #define DEBUG_EEPRO100
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#ifdef DEBUG_EEPRO100
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#define logout(fmt, args...) fprintf(stderr, "EE100\t%-24s" fmt, __func__, ##args) |
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#else
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#define logout(fmt, args...) ((void)0) |
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#endif
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/* Set flags to 0 to disable debug output. */
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#define MDI 0 |
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#define TRACE(flag, command) ((flag) ? (command) : (void)0) |
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#define missing(text) assert(!"feature is missing in this emulation: " text) |
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#define MAX_ETH_FRAME_SIZE 1514 |
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/* This driver supports several different devices which are declared here. */
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#define i82551 0x82551 |
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#define i82557B 0x82557b |
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#define i82557C 0x82557c |
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#define i82558B 0x82558b |
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#define i82559C 0x82559c |
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#define i82559ER 0x82559e |
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#define i82562 0x82562 |
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#define EEPROM_SIZE 64 |
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#define PCI_MEM_SIZE (4 * KiB) |
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#define PCI_IO_SIZE 64 |
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#define PCI_FLASH_SIZE (128 * KiB) |
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#define BIT(n) (1 << (n)) |
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#define BITS(n, m) (((0xffffffffU << (31 - n)) >> (31 - n + m)) << m) |
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/* The SCB accepts the following controls for the Tx and Rx units: */
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#define CU_NOP 0x0000 /* No operation. */ |
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#define CU_START 0x0010 /* CU start. */ |
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#define CU_RESUME 0x0020 /* CU resume. */ |
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#define CU_STATSADDR 0x0040 /* Load dump counters address. */ |
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#define CU_SHOWSTATS 0x0050 /* Dump statistical counters. */ |
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#define CU_CMD_BASE 0x0060 /* Load CU base address. */ |
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#define CU_DUMPSTATS 0x0070 /* Dump and reset statistical counters. */ |
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#define CU_SRESUME 0x00a0 /* CU static resume. */ |
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#define RU_NOP 0x0000 |
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#define RX_START 0x0001 |
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#define RX_RESUME 0x0002 |
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#define RX_ABORT 0x0004 |
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#define RX_ADDR_LOAD 0x0006 |
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#define RX_RESUMENR 0x0007 |
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#define INT_MASK 0x0100 |
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#define DRVR_INT 0x0200 /* Driver generated interrupt. */ |
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typedef unsigned char bool; |
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/* Offsets to the various registers.
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All accesses need not be longword aligned. */
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enum speedo_offsets {
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SCBStatus = 0,
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SCBAck = 1,
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SCBCmd = 2, /* Rx/Command Unit command and status. */ |
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SCBIntmask = 3,
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SCBPointer = 4, /* General purpose pointer. */ |
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SCBPort = 8, /* Misc. commands and operands. */ |
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SCBflash = 12, SCBeeprom = 14, /* EEPROM and flash memory control. */ |
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SCBCtrlMDI = 16, /* MDI interface control. */ |
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SCBEarlyRx = 20, /* Early receive byte count. */ |
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SCBFlow = 24,
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}; |
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/* A speedo3 transmit buffer descriptor with two buffers... */
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typedef struct { |
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uint16_t status; |
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uint16_t command; |
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uint32_t link; /* void * */
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uint32_t tx_desc_addr; /* transmit buffer decsriptor array address. */
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uint16_t tcb_bytes; /* transmit command block byte count (in lower 14 bits */
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uint8_t tx_threshold; /* transmit threshold */
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uint8_t tbd_count; /* TBD number */
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//~ /* This constitutes two "TBD" entries: hdr and data */
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//~ uint32_t tx_buf_addr0; /* void *, header of frame to be transmitted. */
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//~ int32_t tx_buf_size0; /* Length of Tx hdr. */
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//~ uint32_t tx_buf_addr1; /* void *, data to be transmitted. */
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//~ int32_t tx_buf_size1; /* Length of Tx data. */
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} eepro100_tx_t; |
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/* Receive frame descriptor. */
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typedef struct { |
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int16_t status; |
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uint16_t command; |
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uint32_t link; /* struct RxFD * */
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uint32_t rx_buf_addr; /* void * */
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uint16_t count; |
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uint16_t size; |
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char packet[MAX_ETH_FRAME_SIZE + 4]; |
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} eepro100_rx_t; |
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typedef struct { |
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uint32_t tx_good_frames, tx_max_collisions, tx_late_collisions, |
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tx_underruns, tx_lost_crs, tx_deferred, tx_single_collisions, |
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tx_multiple_collisions, tx_total_collisions; |
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uint32_t rx_good_frames, rx_crc_errors, rx_alignment_errors, |
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rx_resource_errors, rx_overrun_errors, rx_cdt_errors, |
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rx_short_frame_errors; |
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uint32_t fc_xmt_pause, fc_rcv_pause, fc_rcv_unsupported; |
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uint16_t xmt_tco_frames, rcv_tco_frames; |
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uint32_t complete; |
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} eepro100_stats_t; |
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typedef enum { |
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cu_idle = 0,
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cu_suspended = 1,
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cu_active = 2,
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cu_lpq_active = 2,
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cu_hqp_active = 3
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} cu_state_t; |
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typedef enum { |
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ru_idle = 0,
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ru_suspended = 1,
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ru_no_resources = 2,
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ru_ready = 4
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} ru_state_t; |
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typedef struct { |
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#if 1 |
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uint8_t cmd; |
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uint32_t start; |
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uint32_t stop; |
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uint8_t boundary; |
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uint8_t tsr; |
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uint8_t tpsr; |
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uint16_t tcnt; |
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uint16_t rcnt; |
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uint32_t rsar; |
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uint8_t rsr; |
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uint8_t rxcr; |
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uint8_t isr; |
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uint8_t dcfg; |
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uint8_t imr; |
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uint8_t phys[6]; /* mac address */ |
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uint8_t curpag; |
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uint8_t mult[8]; /* multicast mask array */ |
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int mmio_index;
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PCIDevice *pci_dev; |
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VLANClientState *vc; |
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#endif
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uint8_t scb_stat; /* SCB stat/ack byte */
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uint8_t int_stat; /* PCI interrupt status */
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uint32_t region[3]; /* PCI region addresses */ |
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uint8_t macaddr[6];
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uint32_t statcounter[19];
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uint16_t mdimem[32];
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eeprom_t *eeprom; |
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uint32_t device; /* device variant */
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uint32_t pointer; |
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/* (cu_base + cu_offset) address the next command block in the command block list. */
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uint32_t cu_base; /* CU base address */
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uint32_t cu_offset; /* CU address offset */
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/* (ru_base + ru_offset) address the RFD in the Receive Frame Area. */
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uint32_t ru_base; /* RU base address */
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uint32_t ru_offset; /* RU address offset */
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uint32_t statsaddr; /* pointer to eepro100_stats_t */
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eepro100_stats_t statistics; /* statistical counters */
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#if 0
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uint16_t status;
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#endif
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/* Configuration bytes. */
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uint8_t configuration[22];
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/* Data in mem is always in the byte order of the controller (le). */
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uint8_t mem[PCI_MEM_SIZE]; |
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} EEPRO100State; |
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/* Default values for MDI (PHY) registers */
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static const uint16_t eepro100_mdi_default[] = { |
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/* MDI Registers 0 - 6, 7 */
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0x3000, 0x780d, 0x02a8, 0x0154, 0x05e1, 0x0000, 0x0000, 0x0000, |
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/* MDI Registers 8 - 15 */
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
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/* MDI Registers 16 - 31 */
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0x0003, 0x0000, 0x0001, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
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}; |
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/* Readonly mask for MDI (PHY) registers */
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static const uint16_t eepro100_mdi_mask[] = { |
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0x0000, 0xffff, 0xffff, 0xffff, 0xc01f, 0xffff, 0xffff, 0x0000, |
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
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0x0fff, 0x0000, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, |
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0xffff, 0xffff, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
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}; |
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#define POLYNOMIAL 0x04c11db6 |
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/* From FreeBSD */
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/* XXX: optimize */
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static int compute_mcast_idx(const uint8_t * ep) |
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{ |
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uint32_t crc; |
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int carry, i, j;
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uint8_t b; |
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crc = 0xffffffff;
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for (i = 0; i < 6; i++) { |
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b = *ep++; |
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for (j = 0; j < 8; j++) { |
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carry = ((crc & 0x80000000L) ? 1 : 0) ^ (b & 0x01); |
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crc <<= 1;
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b >>= 1;
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if (carry)
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crc = ((crc ^ POLYNOMIAL) | carry); |
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} |
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} |
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return (crc >> 26); |
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} |
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#if defined(DEBUG_EEPRO100)
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static const char *nic_dump(const uint8_t * buf, unsigned size) |
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{ |
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static char dump[3 * 16 + 1]; |
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char *p = &dump[0]; |
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if (size > 16) |
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size = 16;
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while (size-- > 0) { |
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p += sprintf(p, " %02x", *buf++);
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} |
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return dump;
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} |
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#endif /* DEBUG_EEPRO100 */ |
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enum scb_stat_ack {
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stat_ack_not_ours = 0x00,
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stat_ack_sw_gen = 0x04,
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stat_ack_rnr = 0x10,
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stat_ack_cu_idle = 0x20,
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stat_ack_frame_rx = 0x40,
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stat_ack_cu_cmd_done = 0x80,
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stat_ack_not_present = 0xFF,
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stat_ack_rx = (stat_ack_sw_gen | stat_ack_rnr | stat_ack_frame_rx), |
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stat_ack_tx = (stat_ack_cu_idle | stat_ack_cu_cmd_done), |
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}; |
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static void disable_interrupt(EEPRO100State * s) |
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{ |
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if (s->int_stat) {
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logout("interrupt disabled\n");
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qemu_irq_lower(s->pci_dev->irq[0]);
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s->int_stat = 0;
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} |
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} |
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static void enable_interrupt(EEPRO100State * s) |
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{ |
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if (!s->int_stat) {
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logout("interrupt enabled\n");
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qemu_irq_raise(s->pci_dev->irq[0]);
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s->int_stat = 1;
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} |
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} |
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static void eepro100_acknowledge(EEPRO100State * s) |
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{ |
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s->scb_stat &= ~s->mem[SCBAck]; |
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s->mem[SCBAck] = s->scb_stat; |
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if (s->scb_stat == 0) { |
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disable_interrupt(s); |
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} |
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} |
331 |
|
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static void eepro100_interrupt(EEPRO100State * s, uint8_t stat) |
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{ |
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uint8_t mask = ~s->mem[SCBIntmask]; |
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s->mem[SCBAck] |= stat; |
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stat = s->scb_stat = s->mem[SCBAck]; |
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stat &= (mask | 0x0f);
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//~ stat &= (~s->mem[SCBIntmask] | 0x0xf);
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if (stat && (mask & 0x01)) { |
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/* SCB mask and SCB Bit M do not disable interrupt. */
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enable_interrupt(s); |
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} else if (s->int_stat) { |
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disable_interrupt(s); |
344 |
} |
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} |
346 |
|
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static void eepro100_cx_interrupt(EEPRO100State * s) |
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{ |
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/* CU completed action command. */
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/* Transmit not ok (82557 only, not in emulation). */
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eepro100_interrupt(s, 0x80);
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} |
353 |
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static void eepro100_cna_interrupt(EEPRO100State * s) |
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{ |
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/* CU left the active state. */
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eepro100_interrupt(s, 0x20);
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} |
359 |
|
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static void eepro100_fr_interrupt(EEPRO100State * s) |
361 |
{ |
362 |
/* RU received a complete frame. */
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eepro100_interrupt(s, 0x40);
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} |
365 |
|
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#if 0
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static void eepro100_rnr_interrupt(EEPRO100State * s)
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{
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/* RU is not ready. */
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eepro100_interrupt(s, 0x10);
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}
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#endif
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373 |
|
374 |
static void eepro100_mdi_interrupt(EEPRO100State * s) |
375 |
{ |
376 |
/* MDI completed read or write cycle. */
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eepro100_interrupt(s, 0x08);
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} |
379 |
|
380 |
static void eepro100_swi_interrupt(EEPRO100State * s) |
381 |
{ |
382 |
/* Software has requested an interrupt. */
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eepro100_interrupt(s, 0x04);
|
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} |
385 |
|
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#if 0
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static void eepro100_fcp_interrupt(EEPRO100State * s)
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388 |
{
|
389 |
/* Flow control pause interrupt (82558 and later). */
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eepro100_interrupt(s, 0x01);
|
391 |
}
|
392 |
#endif
|
393 |
|
394 |
static void pci_reset(EEPRO100State * s) |
395 |
{ |
396 |
uint32_t device = s->device; |
397 |
uint8_t *pci_conf = s->pci_dev->config; |
398 |
|
399 |
logout("%p\n", s);
|
400 |
|
401 |
/* PCI Vendor ID */
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pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); |
403 |
/* PCI Device ID */
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404 |
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82551IT); |
405 |
/* PCI Command */
|
406 |
PCI_CONFIG_16(PCI_COMMAND, 0x0000);
|
407 |
/* PCI Status */
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408 |
PCI_CONFIG_16(PCI_STATUS, 0x2800);
|
409 |
/* PCI Revision ID */
|
410 |
PCI_CONFIG_8(PCI_REVISION_ID, 0x08);
|
411 |
/* PCI Class Code */
|
412 |
PCI_CONFIG_8(0x09, 0x00); |
413 |
pci_config_set_class(pci_conf, PCI_CLASS_NETWORK_ETHERNET); |
414 |
/* PCI Cache Line Size */
|
415 |
/* check cache line size!!! */
|
416 |
//~ PCI_CONFIG_8(0x0c, 0x00);
|
417 |
/* PCI Latency Timer */
|
418 |
PCI_CONFIG_8(0x0d, 0x20); // latency timer = 32 clocks |
419 |
/* PCI Header Type */
|
420 |
/* BIST (built-in self test) */
|
421 |
#if defined(TARGET_I386)
|
422 |
// !!! workaround for buggy bios
|
423 |
//~ #define PCI_ADDRESS_SPACE_MEM_PREFETCH 0
|
424 |
#endif
|
425 |
#if 0
|
426 |
/* PCI Base Address Registers */
|
427 |
/* CSR Memory Mapped Base Address */
|
428 |
PCI_CONFIG_32(PCI_BASE_ADDRESS_0,
|
429 |
PCI_ADDRESS_SPACE_MEM | PCI_ADDRESS_SPACE_MEM_PREFETCH);
|
430 |
/* CSR I/O Mapped Base Address */
|
431 |
PCI_CONFIG_32(PCI_BASE_ADDRESS_1, PCI_ADDRESS_SPACE_IO);
|
432 |
#if 0
|
433 |
/* Flash Memory Mapped Base Address */
|
434 |
PCI_CONFIG_32(PCI_BASE_ADDRESS_2, 0xfffe0000 | PCI_ADDRESS_SPACE_MEM);
|
435 |
#endif
|
436 |
#endif
|
437 |
/* Expansion ROM Base Address (depends on boot disable!!!) */
|
438 |
PCI_CONFIG_32(0x30, 0x00000000); |
439 |
/* Capability Pointer */
|
440 |
PCI_CONFIG_8(0x34, 0xdc); |
441 |
/* Interrupt Pin */
|
442 |
PCI_CONFIG_8(0x3d, 1); // interrupt pin 0 |
443 |
/* Minimum Grant */
|
444 |
PCI_CONFIG_8(0x3e, 0x08); |
445 |
/* Maximum Latency */
|
446 |
PCI_CONFIG_8(0x3f, 0x18); |
447 |
/* Power Management Capabilities / Next Item Pointer / Capability ID */
|
448 |
PCI_CONFIG_32(0xdc, 0x7e210001); |
449 |
|
450 |
switch (device) {
|
451 |
case i82551:
|
452 |
//~ PCI_CONFIG_16(PCI_DEVICE_ID, 0x1209);
|
453 |
PCI_CONFIG_8(PCI_REVISION_ID, 0x0f);
|
454 |
break;
|
455 |
case i82557B:
|
456 |
PCI_CONFIG_16(PCI_DEVICE_ID, 0x1229);
|
457 |
PCI_CONFIG_8(PCI_REVISION_ID, 0x02);
|
458 |
break;
|
459 |
case i82557C:
|
460 |
PCI_CONFIG_16(PCI_DEVICE_ID, 0x1229);
|
461 |
PCI_CONFIG_8(PCI_REVISION_ID, 0x03);
|
462 |
break;
|
463 |
case i82558B:
|
464 |
PCI_CONFIG_16(PCI_DEVICE_ID, 0x1229);
|
465 |
PCI_CONFIG_16(PCI_STATUS, 0x2810);
|
466 |
PCI_CONFIG_8(PCI_REVISION_ID, 0x05);
|
467 |
break;
|
468 |
case i82559C:
|
469 |
PCI_CONFIG_16(PCI_DEVICE_ID, 0x1229);
|
470 |
PCI_CONFIG_16(PCI_STATUS, 0x2810);
|
471 |
//~ PCI_CONFIG_8(PCI_REVISION_ID, 0x08);
|
472 |
break;
|
473 |
case i82559ER:
|
474 |
//~ PCI_CONFIG_16(PCI_DEVICE_ID, 0x1209);
|
475 |
PCI_CONFIG_16(PCI_STATUS, 0x2810);
|
476 |
PCI_CONFIG_8(PCI_REVISION_ID, 0x09);
|
477 |
break;
|
478 |
//~ PCI_CONFIG_16(PCI_DEVICE_ID, 0x1029);
|
479 |
//~ PCI_CONFIG_16(PCI_DEVICE_ID, 0x1030); /* 82559 InBusiness 10/100 */
|
480 |
default:
|
481 |
logout("Device %X is undefined!\n", device);
|
482 |
} |
483 |
|
484 |
if (device == i82557C || device == i82558B || device == i82559C) {
|
485 |
logout("Get device id and revision from EEPROM!!!\n");
|
486 |
} |
487 |
} |
488 |
|
489 |
static void nic_selective_reset(EEPRO100State * s) |
490 |
{ |
491 |
size_t i; |
492 |
uint16_t *eeprom_contents = eeprom93xx_data(s->eeprom); |
493 |
//~ eeprom93xx_reset(s->eeprom);
|
494 |
memcpy(eeprom_contents, s->macaddr, 6);
|
495 |
eeprom_contents[0xa] = 0x4000; |
496 |
uint16_t sum = 0;
|
497 |
for (i = 0; i < EEPROM_SIZE - 1; i++) { |
498 |
sum += eeprom_contents[i]; |
499 |
} |
500 |
eeprom_contents[EEPROM_SIZE - 1] = 0xbaba - sum; |
501 |
|
502 |
memset(s->mem, 0, sizeof(s->mem)); |
503 |
uint32_t val = BIT(21);
|
504 |
memcpy(&s->mem[SCBCtrlMDI], &val, sizeof(val));
|
505 |
|
506 |
assert(sizeof(s->mdimem) == sizeof(eepro100_mdi_default)); |
507 |
memcpy(&s->mdimem[0], &eepro100_mdi_default[0], sizeof(s->mdimem)); |
508 |
} |
509 |
|
510 |
static void nic_reset(void *opaque) |
511 |
{ |
512 |
EEPRO100State *s = (EEPRO100State *) opaque; |
513 |
logout("%p\n", s);
|
514 |
static int first; |
515 |
if (!first) {
|
516 |
first = 1;
|
517 |
} |
518 |
nic_selective_reset(s); |
519 |
} |
520 |
|
521 |
#if defined(DEBUG_EEPRO100)
|
522 |
static const char *reg[PCI_IO_SIZE / 4] = { |
523 |
"Command/Status",
|
524 |
"General Pointer",
|
525 |
"Port",
|
526 |
"EEPROM/Flash Control",
|
527 |
"MDI Control",
|
528 |
"Receive DMA Byte Count",
|
529 |
"Flow control register",
|
530 |
"General Status/Control"
|
531 |
}; |
532 |
|
533 |
static char *regname(uint32_t addr) |
534 |
{ |
535 |
static char buf[16]; |
536 |
if (addr < PCI_IO_SIZE) {
|
537 |
const char *r = reg[addr / 4]; |
538 |
if (r != 0) { |
539 |
sprintf(buf, "%s+%u", r, addr % 4); |
540 |
} else {
|
541 |
sprintf(buf, "0x%02x", addr);
|
542 |
} |
543 |
} else {
|
544 |
sprintf(buf, "??? 0x%08x", addr);
|
545 |
} |
546 |
return buf;
|
547 |
} |
548 |
#endif /* DEBUG_EEPRO100 */ |
549 |
|
550 |
#if 0
|
551 |
static uint16_t eepro100_read_status(EEPRO100State * s)
|
552 |
{
|
553 |
uint16_t val = s->status;
|
554 |
logout("val=0x%04x\n", val);
|
555 |
return val;
|
556 |
}
|
557 |
|
558 |
static void eepro100_write_status(EEPRO100State * s, uint16_t val)
|
559 |
{
|
560 |
logout("val=0x%04x\n", val);
|
561 |
s->status = val;
|
562 |
}
|
563 |
#endif
|
564 |
|
565 |
/*****************************************************************************
|
566 |
*
|
567 |
* Command emulation.
|
568 |
*
|
569 |
****************************************************************************/
|
570 |
|
571 |
#if 0
|
572 |
static uint16_t eepro100_read_command(EEPRO100State * s)
|
573 |
{
|
574 |
uint16_t val = 0xffff;
|
575 |
//~ logout("val=0x%04x\n", val);
|
576 |
return val;
|
577 |
}
|
578 |
#endif
|
579 |
|
580 |
/* Commands that can be put in a command list entry. */
|
581 |
enum commands {
|
582 |
CmdNOp = 0,
|
583 |
CmdIASetup = 1,
|
584 |
CmdConfigure = 2,
|
585 |
CmdMulticastList = 3,
|
586 |
CmdTx = 4,
|
587 |
CmdTDR = 5, /* load microcode */ |
588 |
CmdDump = 6,
|
589 |
CmdDiagnose = 7,
|
590 |
|
591 |
/* And some extra flags: */
|
592 |
CmdSuspend = 0x4000, /* Suspend after completion. */ |
593 |
CmdIntr = 0x2000, /* Interrupt after completion. */ |
594 |
CmdTxFlex = 0x0008, /* Use "Flexible mode" for CmdTx command. */ |
595 |
}; |
596 |
|
597 |
static cu_state_t get_cu_state(EEPRO100State * s)
|
598 |
{ |
599 |
return ((s->mem[SCBStatus] >> 6) & 0x03); |
600 |
} |
601 |
|
602 |
static void set_cu_state(EEPRO100State * s, cu_state_t state) |
603 |
{ |
604 |
s->mem[SCBStatus] = (s->mem[SCBStatus] & 0x3f) + (state << 6); |
605 |
} |
606 |
|
607 |
static ru_state_t get_ru_state(EEPRO100State * s)
|
608 |
{ |
609 |
return ((s->mem[SCBStatus] >> 2) & 0x0f); |
610 |
} |
611 |
|
612 |
static void set_ru_state(EEPRO100State * s, ru_state_t state) |
613 |
{ |
614 |
s->mem[SCBStatus] = (s->mem[SCBStatus] & 0xc3) + (state << 2); |
615 |
} |
616 |
|
617 |
static void dump_statistics(EEPRO100State * s) |
618 |
{ |
619 |
/* Dump statistical data. Most data is never changed by the emulation
|
620 |
* and always 0, so we first just copy the whole block and then those
|
621 |
* values which really matter.
|
622 |
* Number of data should check configuration!!!
|
623 |
*/
|
624 |
cpu_physical_memory_write(s->statsaddr, (uint8_t *) & s->statistics, 64);
|
625 |
stl_phys(s->statsaddr + 0, s->statistics.tx_good_frames);
|
626 |
stl_phys(s->statsaddr + 36, s->statistics.rx_good_frames);
|
627 |
stl_phys(s->statsaddr + 48, s->statistics.rx_resource_errors);
|
628 |
stl_phys(s->statsaddr + 60, s->statistics.rx_short_frame_errors);
|
629 |
//~ stw_phys(s->statsaddr + 76, s->statistics.xmt_tco_frames);
|
630 |
//~ stw_phys(s->statsaddr + 78, s->statistics.rcv_tco_frames);
|
631 |
//~ missing("CU dump statistical counters");
|
632 |
} |
633 |
|
634 |
static void eepro100_cu_command(EEPRO100State * s, uint8_t val) |
635 |
{ |
636 |
eepro100_tx_t tx; |
637 |
uint32_t cb_address; |
638 |
switch (val) {
|
639 |
case CU_NOP:
|
640 |
/* No operation. */
|
641 |
break;
|
642 |
case CU_START:
|
643 |
if (get_cu_state(s) != cu_idle) {
|
644 |
/* Intel documentation says that CU must be idle for the CU
|
645 |
* start command. Intel driver for Linux also starts the CU
|
646 |
* from suspended state. */
|
647 |
logout("CU state is %u, should be %u\n", get_cu_state(s), cu_idle);
|
648 |
//~ assert(!"wrong CU state");
|
649 |
} |
650 |
set_cu_state(s, cu_active); |
651 |
s->cu_offset = s->pointer; |
652 |
next_command:
|
653 |
cb_address = s->cu_base + s->cu_offset; |
654 |
cpu_physical_memory_read(cb_address, (uint8_t *) & tx, sizeof(tx));
|
655 |
uint16_t status = le16_to_cpu(tx.status); |
656 |
uint16_t command = le16_to_cpu(tx.command); |
657 |
logout |
658 |
("val=0x%02x (cu start), status=0x%04x, command=0x%04x, link=0x%08x\n",
|
659 |
val, status, command, tx.link); |
660 |
bool bit_el = ((command & 0x8000) != 0); |
661 |
bool bit_s = ((command & 0x4000) != 0); |
662 |
bool bit_i = ((command & 0x2000) != 0); |
663 |
bool bit_nc = ((command & 0x0010) != 0); |
664 |
//~ bool bit_sf = ((command & 0x0008) != 0);
|
665 |
uint16_t cmd = command & 0x0007;
|
666 |
s->cu_offset = le32_to_cpu(tx.link); |
667 |
switch (cmd) {
|
668 |
case CmdNOp:
|
669 |
/* Do nothing. */
|
670 |
break;
|
671 |
case CmdIASetup:
|
672 |
cpu_physical_memory_read(cb_address + 8, &s->macaddr[0], 6); |
673 |
logout("macaddr: %s\n", nic_dump(&s->macaddr[0], 6)); |
674 |
break;
|
675 |
case CmdConfigure:
|
676 |
cpu_physical_memory_read(cb_address + 8, &s->configuration[0], |
677 |
sizeof(s->configuration));
|
678 |
logout("configuration: %s\n", nic_dump(&s->configuration[0], 16)); |
679 |
break;
|
680 |
case CmdMulticastList:
|
681 |
//~ missing("multicast list");
|
682 |
break;
|
683 |
case CmdTx:
|
684 |
(void)0; |
685 |
uint32_t tbd_array = le32_to_cpu(tx.tx_desc_addr); |
686 |
uint16_t tcb_bytes = (le16_to_cpu(tx.tcb_bytes) & 0x3fff);
|
687 |
logout |
688 |
("transmit, TBD array address 0x%08x, TCB byte count 0x%04x, TBD count %u\n",
|
689 |
tbd_array, tcb_bytes, tx.tbd_count); |
690 |
assert(!bit_nc); |
691 |
//~ assert(!bit_sf);
|
692 |
assert(tcb_bytes <= 2600);
|
693 |
/* Next assertion fails for local configuration. */
|
694 |
//~ assert((tcb_bytes > 0) || (tbd_array != 0xffffffff));
|
695 |
if (!((tcb_bytes > 0) || (tbd_array != 0xffffffff))) { |
696 |
logout |
697 |
("illegal values of TBD array address and TCB byte count!\n");
|
698 |
} |
699 |
uint8_t buf[MAX_ETH_FRAME_SIZE + 4];
|
700 |
uint16_t size = 0;
|
701 |
uint32_t tbd_address = cb_address + 0x10;
|
702 |
assert(tcb_bytes <= sizeof(buf));
|
703 |
while (size < tcb_bytes) {
|
704 |
uint32_t tx_buffer_address = ldl_phys(tbd_address); |
705 |
uint16_t tx_buffer_size = lduw_phys(tbd_address + 4);
|
706 |
//~ uint16_t tx_buffer_el = lduw_phys(tbd_address + 6);
|
707 |
tbd_address += 8;
|
708 |
logout |
709 |
("TBD (simplified mode): buffer address 0x%08x, size 0x%04x\n",
|
710 |
tx_buffer_address, tx_buffer_size); |
711 |
cpu_physical_memory_read(tx_buffer_address, &buf[size], |
712 |
tx_buffer_size); |
713 |
size += tx_buffer_size; |
714 |
} |
715 |
if (tbd_array == 0xffffffff) { |
716 |
/* Simplified mode. Was already handled by code above. */
|
717 |
} else {
|
718 |
/* Flexible mode. */
|
719 |
uint8_t tbd_count = 0;
|
720 |
if (!(s->configuration[6] & BIT(4))) { |
721 |
/* Extended TCB. */
|
722 |
assert(tcb_bytes == 0);
|
723 |
for (; tbd_count < 2; tbd_count++) { |
724 |
uint32_t tx_buffer_address = ldl_phys(tbd_address); |
725 |
uint16_t tx_buffer_size = lduw_phys(tbd_address + 4);
|
726 |
uint16_t tx_buffer_el = lduw_phys(tbd_address + 6);
|
727 |
tbd_address += 8;
|
728 |
logout |
729 |
("TBD (extended mode): buffer address 0x%08x, size 0x%04x\n",
|
730 |
tx_buffer_address, tx_buffer_size); |
731 |
cpu_physical_memory_read(tx_buffer_address, &buf[size], |
732 |
tx_buffer_size); |
733 |
size += tx_buffer_size; |
734 |
if (tx_buffer_el & 1) { |
735 |
break;
|
736 |
} |
737 |
} |
738 |
} |
739 |
tbd_address = tbd_array; |
740 |
for (; tbd_count < tx.tbd_count; tbd_count++) {
|
741 |
uint32_t tx_buffer_address = ldl_phys(tbd_address); |
742 |
uint16_t tx_buffer_size = lduw_phys(tbd_address + 4);
|
743 |
uint16_t tx_buffer_el = lduw_phys(tbd_address + 6);
|
744 |
tbd_address += 8;
|
745 |
logout |
746 |
("TBD (flexible mode): buffer address 0x%08x, size 0x%04x\n",
|
747 |
tx_buffer_address, tx_buffer_size); |
748 |
cpu_physical_memory_read(tx_buffer_address, &buf[size], |
749 |
tx_buffer_size); |
750 |
size += tx_buffer_size; |
751 |
if (tx_buffer_el & 1) { |
752 |
break;
|
753 |
} |
754 |
} |
755 |
} |
756 |
qemu_send_packet(s->vc, buf, size); |
757 |
s->statistics.tx_good_frames++; |
758 |
/* Transmit with bad status would raise an CX/TNO interrupt.
|
759 |
* (82557 only). Emulation never has bad status. */
|
760 |
//~ eepro100_cx_interrupt(s);
|
761 |
break;
|
762 |
case CmdTDR:
|
763 |
logout("load microcode\n");
|
764 |
/* Starting with offset 8, the command contains
|
765 |
* 64 dwords microcode which we just ignore here. */
|
766 |
break;
|
767 |
default:
|
768 |
missing("undefined command");
|
769 |
} |
770 |
/* Write new status (success). */
|
771 |
stw_phys(cb_address, status | 0x8000 | 0x2000); |
772 |
if (bit_i) {
|
773 |
/* CU completed action. */
|
774 |
eepro100_cx_interrupt(s); |
775 |
} |
776 |
if (bit_el) {
|
777 |
/* CU becomes idle. */
|
778 |
set_cu_state(s, cu_idle); |
779 |
eepro100_cna_interrupt(s); |
780 |
} else if (bit_s) { |
781 |
/* CU becomes suspended. */
|
782 |
set_cu_state(s, cu_suspended); |
783 |
eepro100_cna_interrupt(s); |
784 |
} else {
|
785 |
/* More entries in list. */
|
786 |
logout("CU list with at least one more entry\n");
|
787 |
goto next_command;
|
788 |
} |
789 |
logout("CU list empty\n");
|
790 |
/* List is empty. Now CU is idle or suspended. */
|
791 |
break;
|
792 |
case CU_RESUME:
|
793 |
if (get_cu_state(s) != cu_suspended) {
|
794 |
logout("bad CU resume from CU state %u\n", get_cu_state(s));
|
795 |
/* Workaround for bad Linux eepro100 driver which resumes
|
796 |
* from idle state. */
|
797 |
//~ missing("cu resume");
|
798 |
set_cu_state(s, cu_suspended); |
799 |
} |
800 |
if (get_cu_state(s) == cu_suspended) {
|
801 |
logout("CU resuming\n");
|
802 |
set_cu_state(s, cu_active); |
803 |
goto next_command;
|
804 |
} |
805 |
break;
|
806 |
case CU_STATSADDR:
|
807 |
/* Load dump counters address. */
|
808 |
s->statsaddr = s->pointer; |
809 |
logout("val=0x%02x (status address)\n", val);
|
810 |
break;
|
811 |
case CU_SHOWSTATS:
|
812 |
/* Dump statistical counters. */
|
813 |
dump_statistics(s); |
814 |
break;
|
815 |
case CU_CMD_BASE:
|
816 |
/* Load CU base. */
|
817 |
logout("val=0x%02x (CU base address)\n", val);
|
818 |
s->cu_base = s->pointer; |
819 |
break;
|
820 |
case CU_DUMPSTATS:
|
821 |
/* Dump and reset statistical counters. */
|
822 |
dump_statistics(s); |
823 |
memset(&s->statistics, 0, sizeof(s->statistics)); |
824 |
break;
|
825 |
case CU_SRESUME:
|
826 |
/* CU static resume. */
|
827 |
missing("CU static resume");
|
828 |
break;
|
829 |
default:
|
830 |
missing("Undefined CU command");
|
831 |
} |
832 |
} |
833 |
|
834 |
static void eepro100_ru_command(EEPRO100State * s, uint8_t val) |
835 |
{ |
836 |
switch (val) {
|
837 |
case RU_NOP:
|
838 |
/* No operation. */
|
839 |
break;
|
840 |
case RX_START:
|
841 |
/* RU start. */
|
842 |
if (get_ru_state(s) != ru_idle) {
|
843 |
logout("RU state is %u, should be %u\n", get_ru_state(s), ru_idle);
|
844 |
//~ assert(!"wrong RU state");
|
845 |
} |
846 |
set_ru_state(s, ru_ready); |
847 |
s->ru_offset = s->pointer; |
848 |
logout("val=0x%02x (rx start)\n", val);
|
849 |
break;
|
850 |
case RX_RESUME:
|
851 |
/* Restart RU. */
|
852 |
if (get_ru_state(s) != ru_suspended) {
|
853 |
logout("RU state is %u, should be %u\n", get_ru_state(s),
|
854 |
ru_suspended); |
855 |
//~ assert(!"wrong RU state");
|
856 |
} |
857 |
set_ru_state(s, ru_ready); |
858 |
break;
|
859 |
case RX_ADDR_LOAD:
|
860 |
/* Load RU base. */
|
861 |
logout("val=0x%02x (RU base address)\n", val);
|
862 |
s->ru_base = s->pointer; |
863 |
break;
|
864 |
default:
|
865 |
logout("val=0x%02x (undefined RU command)\n", val);
|
866 |
missing("Undefined SU command");
|
867 |
} |
868 |
} |
869 |
|
870 |
static void eepro100_write_command(EEPRO100State * s, uint8_t val) |
871 |
{ |
872 |
eepro100_ru_command(s, val & 0x0f);
|
873 |
eepro100_cu_command(s, val & 0xf0);
|
874 |
if ((val) == 0) { |
875 |
logout("val=0x%02x\n", val);
|
876 |
} |
877 |
/* Clear command byte after command was accepted. */
|
878 |
s->mem[SCBCmd] = 0;
|
879 |
} |
880 |
|
881 |
/*****************************************************************************
|
882 |
*
|
883 |
* EEPROM emulation.
|
884 |
*
|
885 |
****************************************************************************/
|
886 |
|
887 |
#define EEPROM_CS 0x02 |
888 |
#define EEPROM_SK 0x01 |
889 |
#define EEPROM_DI 0x04 |
890 |
#define EEPROM_DO 0x08 |
891 |
|
892 |
static uint16_t eepro100_read_eeprom(EEPRO100State * s)
|
893 |
{ |
894 |
uint16_t val; |
895 |
memcpy(&val, &s->mem[SCBeeprom], sizeof(val));
|
896 |
if (eeprom93xx_read(s->eeprom)) {
|
897 |
val |= EEPROM_DO; |
898 |
} else {
|
899 |
val &= ~EEPROM_DO; |
900 |
} |
901 |
return val;
|
902 |
} |
903 |
|
904 |
static void eepro100_write_eeprom(eeprom_t * eeprom, uint8_t val) |
905 |
{ |
906 |
logout("write val=0x%02x\n", val);
|
907 |
|
908 |
/* mask unwriteable bits */
|
909 |
//~ val = SET_MASKED(val, 0x31, eeprom->value);
|
910 |
|
911 |
int eecs = ((val & EEPROM_CS) != 0); |
912 |
int eesk = ((val & EEPROM_SK) != 0); |
913 |
int eedi = ((val & EEPROM_DI) != 0); |
914 |
eeprom93xx_write(eeprom, eecs, eesk, eedi); |
915 |
} |
916 |
|
917 |
static void eepro100_write_pointer(EEPRO100State * s, uint32_t val) |
918 |
{ |
919 |
s->pointer = le32_to_cpu(val); |
920 |
logout("val=0x%08x\n", val);
|
921 |
} |
922 |
|
923 |
/*****************************************************************************
|
924 |
*
|
925 |
* MDI emulation.
|
926 |
*
|
927 |
****************************************************************************/
|
928 |
|
929 |
#if defined(DEBUG_EEPRO100)
|
930 |
static const char *mdi_op_name[] = { |
931 |
"opcode 0",
|
932 |
"write",
|
933 |
"read",
|
934 |
"opcode 3"
|
935 |
}; |
936 |
|
937 |
static const char *mdi_reg_name[] = { |
938 |
"Control",
|
939 |
"Status",
|
940 |
"PHY Identification (Word 1)",
|
941 |
"PHY Identification (Word 2)",
|
942 |
"Auto-Negotiation Advertisement",
|
943 |
"Auto-Negotiation Link Partner Ability",
|
944 |
"Auto-Negotiation Expansion"
|
945 |
}; |
946 |
#endif /* DEBUG_EEPRO100 */ |
947 |
|
948 |
static uint32_t eepro100_read_mdi(EEPRO100State * s)
|
949 |
{ |
950 |
uint32_t val; |
951 |
memcpy(&val, &s->mem[0x10], sizeof(val)); |
952 |
|
953 |
#ifdef DEBUG_EEPRO100
|
954 |
uint8_t raiseint = (val & BIT(29)) >> 29; |
955 |
uint8_t opcode = (val & BITS(27, 26)) >> 26; |
956 |
uint8_t phy = (val & BITS(25, 21)) >> 21; |
957 |
uint8_t reg = (val & BITS(20, 16)) >> 16; |
958 |
uint16_t data = (val & BITS(15, 0)); |
959 |
#endif
|
960 |
/* Emulation takes no time to finish MDI transaction. */
|
961 |
val |= BIT(28);
|
962 |
TRACE(MDI, logout("val=0x%08x (int=%u, %s, phy=%u, %s, data=0x%04x\n",
|
963 |
val, raiseint, mdi_op_name[opcode], phy, |
964 |
mdi_reg_name[reg], data)); |
965 |
return val;
|
966 |
} |
967 |
|
968 |
//~ #define BITS(val, upper, lower) (val & ???)
|
969 |
static void eepro100_write_mdi(EEPRO100State * s, uint32_t val) |
970 |
{ |
971 |
uint8_t raiseint = (val & BIT(29)) >> 29; |
972 |
uint8_t opcode = (val & BITS(27, 26)) >> 26; |
973 |
uint8_t phy = (val & BITS(25, 21)) >> 21; |
974 |
uint8_t reg = (val & BITS(20, 16)) >> 16; |
975 |
uint16_t data = (val & BITS(15, 0)); |
976 |
if (phy != 1) { |
977 |
/* Unsupported PHY address. */
|
978 |
//~ logout("phy must be 1 but is %u\n", phy);
|
979 |
data = 0;
|
980 |
} else if (opcode != 1 && opcode != 2) { |
981 |
/* Unsupported opcode. */
|
982 |
logout("opcode must be 1 or 2 but is %u\n", opcode);
|
983 |
data = 0;
|
984 |
} else if (reg > 6) { |
985 |
/* Unsupported register. */
|
986 |
logout("register must be 0...6 but is %u\n", reg);
|
987 |
data = 0;
|
988 |
} else {
|
989 |
TRACE(MDI, logout("val=0x%08x (int=%u, %s, phy=%u, %s, data=0x%04x\n",
|
990 |
val, raiseint, mdi_op_name[opcode], phy, |
991 |
mdi_reg_name[reg], data)); |
992 |
if (opcode == 1) { |
993 |
/* MDI write */
|
994 |
switch (reg) {
|
995 |
case 0: /* Control Register */ |
996 |
if (data & 0x8000) { |
997 |
/* Reset status and control registers to default. */
|
998 |
s->mdimem[0] = eepro100_mdi_default[0]; |
999 |
s->mdimem[1] = eepro100_mdi_default[1]; |
1000 |
data = s->mdimem[reg]; |
1001 |
} else {
|
1002 |
/* Restart Auto Configuration = Normal Operation */
|
1003 |
data &= ~0x0200;
|
1004 |
} |
1005 |
break;
|
1006 |
case 1: /* Status Register */ |
1007 |
missing("not writable");
|
1008 |
data = s->mdimem[reg]; |
1009 |
break;
|
1010 |
case 2: /* PHY Identification Register (Word 1) */ |
1011 |
case 3: /* PHY Identification Register (Word 2) */ |
1012 |
missing("not implemented");
|
1013 |
break;
|
1014 |
case 4: /* Auto-Negotiation Advertisement Register */ |
1015 |
case 5: /* Auto-Negotiation Link Partner Ability Register */ |
1016 |
break;
|
1017 |
case 6: /* Auto-Negotiation Expansion Register */ |
1018 |
default:
|
1019 |
missing("not implemented");
|
1020 |
} |
1021 |
s->mdimem[reg] = data; |
1022 |
} else if (opcode == 2) { |
1023 |
/* MDI read */
|
1024 |
switch (reg) {
|
1025 |
case 0: /* Control Register */ |
1026 |
if (data & 0x8000) { |
1027 |
/* Reset status and control registers to default. */
|
1028 |
s->mdimem[0] = eepro100_mdi_default[0]; |
1029 |
s->mdimem[1] = eepro100_mdi_default[1]; |
1030 |
} |
1031 |
break;
|
1032 |
case 1: /* Status Register */ |
1033 |
s->mdimem[reg] |= 0x0020;
|
1034 |
break;
|
1035 |
case 2: /* PHY Identification Register (Word 1) */ |
1036 |
case 3: /* PHY Identification Register (Word 2) */ |
1037 |
case 4: /* Auto-Negotiation Advertisement Register */ |
1038 |
break;
|
1039 |
case 5: /* Auto-Negotiation Link Partner Ability Register */ |
1040 |
s->mdimem[reg] = 0x41fe;
|
1041 |
break;
|
1042 |
case 6: /* Auto-Negotiation Expansion Register */ |
1043 |
s->mdimem[reg] = 0x0001;
|
1044 |
break;
|
1045 |
} |
1046 |
data = s->mdimem[reg]; |
1047 |
} |
1048 |
/* Emulation takes no time to finish MDI transaction.
|
1049 |
* Set MDI bit in SCB status register. */
|
1050 |
s->mem[SCBAck] |= 0x08;
|
1051 |
val |= BIT(28);
|
1052 |
if (raiseint) {
|
1053 |
eepro100_mdi_interrupt(s); |
1054 |
} |
1055 |
} |
1056 |
val = (val & 0xffff0000) + data;
|
1057 |
memcpy(&s->mem[0x10], &val, sizeof(val)); |
1058 |
} |
1059 |
|
1060 |
/*****************************************************************************
|
1061 |
*
|
1062 |
* Port emulation.
|
1063 |
*
|
1064 |
****************************************************************************/
|
1065 |
|
1066 |
#define PORT_SOFTWARE_RESET 0 |
1067 |
#define PORT_SELFTEST 1 |
1068 |
#define PORT_SELECTIVE_RESET 2 |
1069 |
#define PORT_DUMP 3 |
1070 |
#define PORT_SELECTION_MASK 3 |
1071 |
|
1072 |
typedef struct { |
1073 |
uint32_t st_sign; /* Self Test Signature */
|
1074 |
uint32_t st_result; /* Self Test Results */
|
1075 |
} eepro100_selftest_t; |
1076 |
|
1077 |
static uint32_t eepro100_read_port(EEPRO100State * s)
|
1078 |
{ |
1079 |
return 0; |
1080 |
} |
1081 |
|
1082 |
static void eepro100_write_port(EEPRO100State * s, uint32_t val) |
1083 |
{ |
1084 |
val = le32_to_cpu(val); |
1085 |
uint32_t address = (val & ~PORT_SELECTION_MASK); |
1086 |
uint8_t selection = (val & PORT_SELECTION_MASK); |
1087 |
switch (selection) {
|
1088 |
case PORT_SOFTWARE_RESET:
|
1089 |
nic_reset(s); |
1090 |
break;
|
1091 |
case PORT_SELFTEST:
|
1092 |
logout("selftest address=0x%08x\n", address);
|
1093 |
eepro100_selftest_t data; |
1094 |
cpu_physical_memory_read(address, (uint8_t *) & data, sizeof(data));
|
1095 |
data.st_sign = 0xffffffff;
|
1096 |
data.st_result = 0;
|
1097 |
cpu_physical_memory_write(address, (uint8_t *) & data, sizeof(data));
|
1098 |
break;
|
1099 |
case PORT_SELECTIVE_RESET:
|
1100 |
logout("selective reset, selftest address=0x%08x\n", address);
|
1101 |
nic_selective_reset(s); |
1102 |
break;
|
1103 |
default:
|
1104 |
logout("val=0x%08x\n", val);
|
1105 |
missing("unknown port selection");
|
1106 |
} |
1107 |
} |
1108 |
|
1109 |
/*****************************************************************************
|
1110 |
*
|
1111 |
* General hardware emulation.
|
1112 |
*
|
1113 |
****************************************************************************/
|
1114 |
|
1115 |
static uint8_t eepro100_read1(EEPRO100State * s, uint32_t addr)
|
1116 |
{ |
1117 |
uint8_t val; |
1118 |
if (addr <= sizeof(s->mem) - sizeof(val)) { |
1119 |
memcpy(&val, &s->mem[addr], sizeof(val));
|
1120 |
} |
1121 |
|
1122 |
switch (addr) {
|
1123 |
case SCBStatus:
|
1124 |
//~ val = eepro100_read_status(s);
|
1125 |
logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1126 |
break;
|
1127 |
case SCBAck:
|
1128 |
//~ val = eepro100_read_status(s);
|
1129 |
logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1130 |
break;
|
1131 |
case SCBCmd:
|
1132 |
logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1133 |
//~ val = eepro100_read_command(s);
|
1134 |
break;
|
1135 |
case SCBIntmask:
|
1136 |
logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1137 |
break;
|
1138 |
case SCBPort + 3: |
1139 |
logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1140 |
break;
|
1141 |
case SCBeeprom:
|
1142 |
val = eepro100_read_eeprom(s); |
1143 |
break;
|
1144 |
case 0x1b: /* PMDR (power management driver register) */ |
1145 |
val = 0;
|
1146 |
logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1147 |
break;
|
1148 |
case 0x1d: /* general status register */ |
1149 |
/* 100 Mbps full duplex, valid link */
|
1150 |
val = 0x07;
|
1151 |
logout("addr=General Status val=%02x\n", val);
|
1152 |
break;
|
1153 |
default:
|
1154 |
logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1155 |
missing("unknown byte read");
|
1156 |
} |
1157 |
return val;
|
1158 |
} |
1159 |
|
1160 |
static uint16_t eepro100_read2(EEPRO100State * s, uint32_t addr)
|
1161 |
{ |
1162 |
uint16_t val; |
1163 |
if (addr <= sizeof(s->mem) - sizeof(val)) { |
1164 |
memcpy(&val, &s->mem[addr], sizeof(val));
|
1165 |
} |
1166 |
|
1167 |
logout("addr=%s val=0x%04x\n", regname(addr), val);
|
1168 |
|
1169 |
switch (addr) {
|
1170 |
case SCBStatus:
|
1171 |
//~ val = eepro100_read_status(s);
|
1172 |
break;
|
1173 |
case SCBeeprom:
|
1174 |
val = eepro100_read_eeprom(s); |
1175 |
break;
|
1176 |
default:
|
1177 |
logout("addr=%s val=0x%04x\n", regname(addr), val);
|
1178 |
missing("unknown word read");
|
1179 |
} |
1180 |
return val;
|
1181 |
} |
1182 |
|
1183 |
static uint32_t eepro100_read4(EEPRO100State * s, uint32_t addr)
|
1184 |
{ |
1185 |
uint32_t val; |
1186 |
if (addr <= sizeof(s->mem) - sizeof(val)) { |
1187 |
memcpy(&val, &s->mem[addr], sizeof(val));
|
1188 |
} |
1189 |
|
1190 |
switch (addr) {
|
1191 |
case SCBStatus:
|
1192 |
//~ val = eepro100_read_status(s);
|
1193 |
logout("addr=%s val=0x%08x\n", regname(addr), val);
|
1194 |
break;
|
1195 |
case SCBPointer:
|
1196 |
//~ val = eepro100_read_pointer(s);
|
1197 |
logout("addr=%s val=0x%08x\n", regname(addr), val);
|
1198 |
break;
|
1199 |
case SCBPort:
|
1200 |
val = eepro100_read_port(s); |
1201 |
logout("addr=%s val=0x%08x\n", regname(addr), val);
|
1202 |
break;
|
1203 |
case SCBCtrlMDI:
|
1204 |
val = eepro100_read_mdi(s); |
1205 |
break;
|
1206 |
default:
|
1207 |
logout("addr=%s val=0x%08x\n", regname(addr), val);
|
1208 |
missing("unknown longword read");
|
1209 |
} |
1210 |
return val;
|
1211 |
} |
1212 |
|
1213 |
static void eepro100_write1(EEPRO100State * s, uint32_t addr, uint8_t val) |
1214 |
{ |
1215 |
if (addr <= sizeof(s->mem) - sizeof(val)) { |
1216 |
memcpy(&s->mem[addr], &val, sizeof(val));
|
1217 |
} |
1218 |
|
1219 |
logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1220 |
|
1221 |
switch (addr) {
|
1222 |
case SCBStatus:
|
1223 |
//~ eepro100_write_status(s, val);
|
1224 |
break;
|
1225 |
case SCBAck:
|
1226 |
eepro100_acknowledge(s); |
1227 |
break;
|
1228 |
case SCBCmd:
|
1229 |
eepro100_write_command(s, val); |
1230 |
break;
|
1231 |
case SCBIntmask:
|
1232 |
if (val & BIT(1)) { |
1233 |
eepro100_swi_interrupt(s); |
1234 |
} |
1235 |
eepro100_interrupt(s, 0);
|
1236 |
break;
|
1237 |
case SCBPort + 3: |
1238 |
case SCBFlow:
|
1239 |
case SCBFlow + 1: |
1240 |
case SCBFlow + 2: |
1241 |
case SCBFlow + 3: |
1242 |
logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1243 |
break;
|
1244 |
case SCBeeprom:
|
1245 |
eepro100_write_eeprom(s->eeprom, val); |
1246 |
break;
|
1247 |
default:
|
1248 |
logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1249 |
missing("unknown byte write");
|
1250 |
} |
1251 |
} |
1252 |
|
1253 |
static void eepro100_write2(EEPRO100State * s, uint32_t addr, uint16_t val) |
1254 |
{ |
1255 |
if (addr <= sizeof(s->mem) - sizeof(val)) { |
1256 |
memcpy(&s->mem[addr], &val, sizeof(val));
|
1257 |
} |
1258 |
|
1259 |
logout("addr=%s val=0x%04x\n", regname(addr), val);
|
1260 |
|
1261 |
switch (addr) {
|
1262 |
case SCBStatus:
|
1263 |
//~ eepro100_write_status(s, val);
|
1264 |
eepro100_acknowledge(s); |
1265 |
break;
|
1266 |
case SCBCmd:
|
1267 |
eepro100_write_command(s, val); |
1268 |
eepro100_write1(s, SCBIntmask, val >> 8);
|
1269 |
break;
|
1270 |
case SCBeeprom:
|
1271 |
eepro100_write_eeprom(s->eeprom, val); |
1272 |
break;
|
1273 |
default:
|
1274 |
logout("addr=%s val=0x%04x\n", regname(addr), val);
|
1275 |
missing("unknown word write");
|
1276 |
} |
1277 |
} |
1278 |
|
1279 |
static void eepro100_write4(EEPRO100State * s, uint32_t addr, uint32_t val) |
1280 |
{ |
1281 |
if (addr <= sizeof(s->mem) - sizeof(val)) { |
1282 |
memcpy(&s->mem[addr], &val, sizeof(val));
|
1283 |
} |
1284 |
|
1285 |
switch (addr) {
|
1286 |
case SCBPointer:
|
1287 |
eepro100_write_pointer(s, val); |
1288 |
break;
|
1289 |
case SCBPort:
|
1290 |
logout("addr=%s val=0x%08x\n", regname(addr), val);
|
1291 |
eepro100_write_port(s, val); |
1292 |
break;
|
1293 |
case SCBCtrlMDI:
|
1294 |
eepro100_write_mdi(s, val); |
1295 |
break;
|
1296 |
default:
|
1297 |
logout("addr=%s val=0x%08x\n", regname(addr), val);
|
1298 |
missing("unknown longword write");
|
1299 |
} |
1300 |
} |
1301 |
|
1302 |
static uint32_t ioport_read1(void *opaque, uint32_t addr) |
1303 |
{ |
1304 |
EEPRO100State *s = opaque; |
1305 |
//~ logout("addr=%s\n", regname(addr));
|
1306 |
return eepro100_read1(s, addr - s->region[1]); |
1307 |
} |
1308 |
|
1309 |
static uint32_t ioport_read2(void *opaque, uint32_t addr) |
1310 |
{ |
1311 |
EEPRO100State *s = opaque; |
1312 |
return eepro100_read2(s, addr - s->region[1]); |
1313 |
} |
1314 |
|
1315 |
static uint32_t ioport_read4(void *opaque, uint32_t addr) |
1316 |
{ |
1317 |
EEPRO100State *s = opaque; |
1318 |
return eepro100_read4(s, addr - s->region[1]); |
1319 |
} |
1320 |
|
1321 |
static void ioport_write1(void *opaque, uint32_t addr, uint32_t val) |
1322 |
{ |
1323 |
EEPRO100State *s = opaque; |
1324 |
//~ logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1325 |
eepro100_write1(s, addr - s->region[1], val);
|
1326 |
} |
1327 |
|
1328 |
static void ioport_write2(void *opaque, uint32_t addr, uint32_t val) |
1329 |
{ |
1330 |
EEPRO100State *s = opaque; |
1331 |
eepro100_write2(s, addr - s->region[1], val);
|
1332 |
} |
1333 |
|
1334 |
static void ioport_write4(void *opaque, uint32_t addr, uint32_t val) |
1335 |
{ |
1336 |
EEPRO100State *s = opaque; |
1337 |
eepro100_write4(s, addr - s->region[1], val);
|
1338 |
} |
1339 |
|
1340 |
/***********************************************************/
|
1341 |
/* PCI EEPRO100 definitions */
|
1342 |
|
1343 |
typedef struct PCIEEPRO100State { |
1344 |
PCIDevice dev; |
1345 |
EEPRO100State eepro100; |
1346 |
} PCIEEPRO100State; |
1347 |
|
1348 |
static void pci_map(PCIDevice * pci_dev, int region_num, |
1349 |
uint32_t addr, uint32_t size, int type)
|
1350 |
{ |
1351 |
PCIEEPRO100State *d = (PCIEEPRO100State *) pci_dev; |
1352 |
EEPRO100State *s = &d->eepro100; |
1353 |
|
1354 |
logout("region %d, addr=0x%08x, size=0x%08x, type=%d\n",
|
1355 |
region_num, addr, size, type); |
1356 |
|
1357 |
assert(region_num == 1);
|
1358 |
register_ioport_write(addr, size, 1, ioport_write1, s);
|
1359 |
register_ioport_read(addr, size, 1, ioport_read1, s);
|
1360 |
register_ioport_write(addr, size, 2, ioport_write2, s);
|
1361 |
register_ioport_read(addr, size, 2, ioport_read2, s);
|
1362 |
register_ioport_write(addr, size, 4, ioport_write4, s);
|
1363 |
register_ioport_read(addr, size, 4, ioport_read4, s);
|
1364 |
|
1365 |
s->region[region_num] = addr; |
1366 |
} |
1367 |
|
1368 |
static void pci_mmio_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) |
1369 |
{ |
1370 |
EEPRO100State *s = opaque; |
1371 |
//~ logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1372 |
eepro100_write1(s, addr, val); |
1373 |
} |
1374 |
|
1375 |
static void pci_mmio_writew(void *opaque, target_phys_addr_t addr, uint32_t val) |
1376 |
{ |
1377 |
EEPRO100State *s = opaque; |
1378 |
//~ logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1379 |
eepro100_write2(s, addr, val); |
1380 |
} |
1381 |
|
1382 |
static void pci_mmio_writel(void *opaque, target_phys_addr_t addr, uint32_t val) |
1383 |
{ |
1384 |
EEPRO100State *s = opaque; |
1385 |
//~ logout("addr=%s val=0x%02x\n", regname(addr), val);
|
1386 |
eepro100_write4(s, addr, val); |
1387 |
} |
1388 |
|
1389 |
static uint32_t pci_mmio_readb(void *opaque, target_phys_addr_t addr) |
1390 |
{ |
1391 |
EEPRO100State *s = opaque; |
1392 |
//~ logout("addr=%s\n", regname(addr));
|
1393 |
return eepro100_read1(s, addr);
|
1394 |
} |
1395 |
|
1396 |
static uint32_t pci_mmio_readw(void *opaque, target_phys_addr_t addr) |
1397 |
{ |
1398 |
EEPRO100State *s = opaque; |
1399 |
//~ logout("addr=%s\n", regname(addr));
|
1400 |
return eepro100_read2(s, addr);
|
1401 |
} |
1402 |
|
1403 |
static uint32_t pci_mmio_readl(void *opaque, target_phys_addr_t addr) |
1404 |
{ |
1405 |
EEPRO100State *s = opaque; |
1406 |
//~ logout("addr=%s\n", regname(addr));
|
1407 |
return eepro100_read4(s, addr);
|
1408 |
} |
1409 |
|
1410 |
static CPUWriteMemoryFunc *pci_mmio_write[] = {
|
1411 |
pci_mmio_writeb, |
1412 |
pci_mmio_writew, |
1413 |
pci_mmio_writel |
1414 |
}; |
1415 |
|
1416 |
static CPUReadMemoryFunc *pci_mmio_read[] = {
|
1417 |
pci_mmio_readb, |
1418 |
pci_mmio_readw, |
1419 |
pci_mmio_readl |
1420 |
}; |
1421 |
|
1422 |
static void pci_mmio_map(PCIDevice * pci_dev, int region_num, |
1423 |
uint32_t addr, uint32_t size, int type)
|
1424 |
{ |
1425 |
PCIEEPRO100State *d = (PCIEEPRO100State *) pci_dev; |
1426 |
|
1427 |
logout("region %d, addr=0x%08x, size=0x%08x, type=%d\n",
|
1428 |
region_num, addr, size, type); |
1429 |
|
1430 |
if (region_num == 0) { |
1431 |
/* Map control / status registers. */
|
1432 |
cpu_register_physical_memory(addr, size, d->eepro100.mmio_index); |
1433 |
d->eepro100.region[region_num] = addr; |
1434 |
} |
1435 |
} |
1436 |
|
1437 |
static int nic_can_receive(void *opaque) |
1438 |
{ |
1439 |
EEPRO100State *s = opaque; |
1440 |
logout("%p\n", s);
|
1441 |
return get_ru_state(s) == ru_ready;
|
1442 |
//~ return !eepro100_buffer_full(s);
|
1443 |
} |
1444 |
|
1445 |
static void nic_receive(void *opaque, const uint8_t * buf, int size) |
1446 |
{ |
1447 |
/* TODO:
|
1448 |
* - Magic packets should set bit 30 in power management driver register.
|
1449 |
* - Interesting packets should set bit 29 in power management driver register.
|
1450 |
*/
|
1451 |
EEPRO100State *s = opaque; |
1452 |
uint16_t rfd_status = 0xa000;
|
1453 |
static const uint8_t broadcast_macaddr[6] = |
1454 |
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; |
1455 |
|
1456 |
/* TODO: check multiple IA bit. */
|
1457 |
assert(!(s->configuration[20] & BIT(6))); |
1458 |
|
1459 |
if (s->configuration[8] & 0x80) { |
1460 |
/* CSMA is disabled. */
|
1461 |
logout("%p received while CSMA is disabled\n", s);
|
1462 |
return;
|
1463 |
} else if (size < 64 && (s->configuration[7] & 1)) { |
1464 |
/* Short frame and configuration byte 7/0 (discard short receive) set:
|
1465 |
* Short frame is discarded */
|
1466 |
logout("%p received short frame (%d byte)\n", s, size);
|
1467 |
s->statistics.rx_short_frame_errors++; |
1468 |
//~ return;
|
1469 |
} else if ((size > MAX_ETH_FRAME_SIZE + 4) && !(s->configuration[18] & 8)) { |
1470 |
/* Long frame and configuration byte 18/3 (long receive ok) not set:
|
1471 |
* Long frames are discarded. */
|
1472 |
logout("%p received long frame (%d byte), ignored\n", s, size);
|
1473 |
return;
|
1474 |
} else if (memcmp(buf, s->macaddr, 6) == 0) { // !!! |
1475 |
/* Frame matches individual address. */
|
1476 |
/* TODO: check configuration byte 15/4 (ignore U/L). */
|
1477 |
logout("%p received frame for me, len=%d\n", s, size);
|
1478 |
} else if (memcmp(buf, broadcast_macaddr, 6) == 0) { |
1479 |
/* Broadcast frame. */
|
1480 |
logout("%p received broadcast, len=%d\n", s, size);
|
1481 |
rfd_status |= 0x0002;
|
1482 |
} else if (buf[0] & 0x01) { // !!! |
1483 |
/* Multicast frame. */
|
1484 |
logout("%p received multicast, len=%d\n", s, size);
|
1485 |
/* TODO: check multicast all bit. */
|
1486 |
assert(!(s->configuration[21] & BIT(3))); |
1487 |
int mcast_idx = compute_mcast_idx(buf);
|
1488 |
if (!(s->mult[mcast_idx >> 3] & (1 << (mcast_idx & 7)))) { |
1489 |
return;
|
1490 |
} |
1491 |
rfd_status |= 0x0002;
|
1492 |
} else if (s->configuration[15] & 1) { |
1493 |
/* Promiscuous: receive all. */
|
1494 |
logout("%p received frame in promiscuous mode, len=%d\n", s, size);
|
1495 |
rfd_status |= 0x0004;
|
1496 |
} else {
|
1497 |
logout("%p received frame, ignored, len=%d,%s\n", s, size,
|
1498 |
nic_dump(buf, size)); |
1499 |
return;
|
1500 |
} |
1501 |
|
1502 |
if (get_ru_state(s) != ru_ready) {
|
1503 |
/* No ressources available. */
|
1504 |
logout("no ressources, state=%u\n", get_ru_state(s));
|
1505 |
s->statistics.rx_resource_errors++; |
1506 |
//~ assert(!"no ressources");
|
1507 |
return;
|
1508 |
} |
1509 |
//~ !!!
|
1510 |
//~ $3 = {status = 0x0, command = 0xc000, link = 0x2d220, rx_buf_addr = 0x207dc, count = 0x0, size = 0x5f8, packet = {0x0 <repeats 1518 times>}}
|
1511 |
eepro100_rx_t rx; |
1512 |
cpu_physical_memory_read(s->ru_base + s->ru_offset, (uint8_t *) & rx, |
1513 |
offsetof(eepro100_rx_t, packet)); |
1514 |
uint16_t rfd_command = le16_to_cpu(rx.command); |
1515 |
uint16_t rfd_size = le16_to_cpu(rx.size); |
1516 |
assert(size <= rfd_size); |
1517 |
if (size < 64) { |
1518 |
rfd_status |= 0x0080;
|
1519 |
} |
1520 |
logout("command 0x%04x, link 0x%08x, addr 0x%08x, size %u\n", rfd_command,
|
1521 |
rx.link, rx.rx_buf_addr, rfd_size); |
1522 |
stw_phys(s->ru_base + s->ru_offset + offsetof(eepro100_rx_t, status), |
1523 |
rfd_status); |
1524 |
stw_phys(s->ru_base + s->ru_offset + offsetof(eepro100_rx_t, count), size); |
1525 |
/* Early receive interrupt not supported. */
|
1526 |
//~ eepro100_er_interrupt(s);
|
1527 |
/* Receive CRC Transfer not supported. */
|
1528 |
assert(!(s->configuration[18] & 4)); |
1529 |
/* TODO: check stripping enable bit. */
|
1530 |
//~ assert(!(s->configuration[17] & 1));
|
1531 |
cpu_physical_memory_write(s->ru_base + s->ru_offset + |
1532 |
offsetof(eepro100_rx_t, packet), buf, size); |
1533 |
s->statistics.rx_good_frames++; |
1534 |
eepro100_fr_interrupt(s); |
1535 |
s->ru_offset = le32_to_cpu(rx.link); |
1536 |
if (rfd_command & 0x8000) { |
1537 |
/* EL bit is set, so this was the last frame. */
|
1538 |
assert(0);
|
1539 |
} |
1540 |
if (rfd_command & 0x4000) { |
1541 |
/* S bit is set. */
|
1542 |
set_ru_state(s, ru_suspended); |
1543 |
} |
1544 |
} |
1545 |
|
1546 |
static int nic_load(QEMUFile * f, void *opaque, int version_id) |
1547 |
{ |
1548 |
EEPRO100State *s = (EEPRO100State *) opaque; |
1549 |
int i;
|
1550 |
int ret;
|
1551 |
|
1552 |
if (version_id > 3) |
1553 |
return -EINVAL;
|
1554 |
|
1555 |
if (s->pci_dev && version_id >= 3) { |
1556 |
ret = pci_device_load(s->pci_dev, f); |
1557 |
if (ret < 0) |
1558 |
return ret;
|
1559 |
} |
1560 |
|
1561 |
if (version_id >= 2) { |
1562 |
qemu_get_8s(f, &s->rxcr); |
1563 |
} else {
|
1564 |
s->rxcr = 0x0c;
|
1565 |
} |
1566 |
|
1567 |
qemu_get_8s(f, &s->cmd); |
1568 |
qemu_get_be32s(f, &s->start); |
1569 |
qemu_get_be32s(f, &s->stop); |
1570 |
qemu_get_8s(f, &s->boundary); |
1571 |
qemu_get_8s(f, &s->tsr); |
1572 |
qemu_get_8s(f, &s->tpsr); |
1573 |
qemu_get_be16s(f, &s->tcnt); |
1574 |
qemu_get_be16s(f, &s->rcnt); |
1575 |
qemu_get_be32s(f, &s->rsar); |
1576 |
qemu_get_8s(f, &s->rsr); |
1577 |
qemu_get_8s(f, &s->isr); |
1578 |
qemu_get_8s(f, &s->dcfg); |
1579 |
qemu_get_8s(f, &s->imr); |
1580 |
qemu_get_buffer(f, s->phys, 6);
|
1581 |
qemu_get_8s(f, &s->curpag); |
1582 |
qemu_get_buffer(f, s->mult, 8);
|
1583 |
qemu_get_buffer(f, s->mem, sizeof(s->mem));
|
1584 |
|
1585 |
/* Restore all members of struct between scv_stat and mem */
|
1586 |
qemu_get_8s(f, &s->scb_stat); |
1587 |
qemu_get_8s(f, &s->int_stat); |
1588 |
for (i = 0; i < 3; i++) |
1589 |
qemu_get_be32s(f, &s->region[i]); |
1590 |
qemu_get_buffer(f, s->macaddr, 6);
|
1591 |
for (i = 0; i < 19; i++) |
1592 |
qemu_get_be32s(f, &s->statcounter[i]); |
1593 |
for (i = 0; i < 32; i++) |
1594 |
qemu_get_be16s(f, &s->mdimem[i]); |
1595 |
/* The eeprom should be saved and restored by its own routines */
|
1596 |
qemu_get_be32s(f, &s->device); |
1597 |
qemu_get_be32s(f, &s->pointer); |
1598 |
qemu_get_be32s(f, &s->cu_base); |
1599 |
qemu_get_be32s(f, &s->cu_offset); |
1600 |
qemu_get_be32s(f, &s->ru_base); |
1601 |
qemu_get_be32s(f, &s->ru_offset); |
1602 |
qemu_get_be32s(f, &s->statsaddr); |
1603 |
/* Restore epro100_stats_t statistics */
|
1604 |
qemu_get_be32s(f, &s->statistics.tx_good_frames); |
1605 |
qemu_get_be32s(f, &s->statistics.tx_max_collisions); |
1606 |
qemu_get_be32s(f, &s->statistics.tx_late_collisions); |
1607 |
qemu_get_be32s(f, &s->statistics.tx_underruns); |
1608 |
qemu_get_be32s(f, &s->statistics.tx_lost_crs); |
1609 |
qemu_get_be32s(f, &s->statistics.tx_deferred); |
1610 |
qemu_get_be32s(f, &s->statistics.tx_single_collisions); |
1611 |
qemu_get_be32s(f, &s->statistics.tx_multiple_collisions); |
1612 |
qemu_get_be32s(f, &s->statistics.tx_total_collisions); |
1613 |
qemu_get_be32s(f, &s->statistics.rx_good_frames); |
1614 |
qemu_get_be32s(f, &s->statistics.rx_crc_errors); |
1615 |
qemu_get_be32s(f, &s->statistics.rx_alignment_errors); |
1616 |
qemu_get_be32s(f, &s->statistics.rx_resource_errors); |
1617 |
qemu_get_be32s(f, &s->statistics.rx_overrun_errors); |
1618 |
qemu_get_be32s(f, &s->statistics.rx_cdt_errors); |
1619 |
qemu_get_be32s(f, &s->statistics.rx_short_frame_errors); |
1620 |
qemu_get_be32s(f, &s->statistics.fc_xmt_pause); |
1621 |
qemu_get_be32s(f, &s->statistics.fc_rcv_pause); |
1622 |
qemu_get_be32s(f, &s->statistics.fc_rcv_unsupported); |
1623 |
qemu_get_be16s(f, &s->statistics.xmt_tco_frames); |
1624 |
qemu_get_be16s(f, &s->statistics.rcv_tco_frames); |
1625 |
qemu_get_be32s(f, &s->statistics.complete); |
1626 |
#if 0
|
1627 |
qemu_get_be16s(f, &s->status);
|
1628 |
#endif
|
1629 |
|
1630 |
/* Configuration bytes. */
|
1631 |
qemu_get_buffer(f, s->configuration, sizeof(s->configuration));
|
1632 |
|
1633 |
return 0; |
1634 |
} |
1635 |
|
1636 |
static void nic_save(QEMUFile * f, void *opaque) |
1637 |
{ |
1638 |
EEPRO100State *s = (EEPRO100State *) opaque; |
1639 |
int i;
|
1640 |
|
1641 |
if (s->pci_dev)
|
1642 |
pci_device_save(s->pci_dev, f); |
1643 |
|
1644 |
qemu_put_8s(f, &s->rxcr); |
1645 |
|
1646 |
qemu_put_8s(f, &s->cmd); |
1647 |
qemu_put_be32s(f, &s->start); |
1648 |
qemu_put_be32s(f, &s->stop); |
1649 |
qemu_put_8s(f, &s->boundary); |
1650 |
qemu_put_8s(f, &s->tsr); |
1651 |
qemu_put_8s(f, &s->tpsr); |
1652 |
qemu_put_be16s(f, &s->tcnt); |
1653 |
qemu_put_be16s(f, &s->rcnt); |
1654 |
qemu_put_be32s(f, &s->rsar); |
1655 |
qemu_put_8s(f, &s->rsr); |
1656 |
qemu_put_8s(f, &s->isr); |
1657 |
qemu_put_8s(f, &s->dcfg); |
1658 |
qemu_put_8s(f, &s->imr); |
1659 |
qemu_put_buffer(f, s->phys, 6);
|
1660 |
qemu_put_8s(f, &s->curpag); |
1661 |
qemu_put_buffer(f, s->mult, 8);
|
1662 |
qemu_put_buffer(f, s->mem, sizeof(s->mem));
|
1663 |
|
1664 |
/* Save all members of struct between scv_stat and mem */
|
1665 |
qemu_put_8s(f, &s->scb_stat); |
1666 |
qemu_put_8s(f, &s->int_stat); |
1667 |
for (i = 0; i < 3; i++) |
1668 |
qemu_put_be32s(f, &s->region[i]); |
1669 |
qemu_put_buffer(f, s->macaddr, 6);
|
1670 |
for (i = 0; i < 19; i++) |
1671 |
qemu_put_be32s(f, &s->statcounter[i]); |
1672 |
for (i = 0; i < 32; i++) |
1673 |
qemu_put_be16s(f, &s->mdimem[i]); |
1674 |
/* The eeprom should be saved and restored by its own routines */
|
1675 |
qemu_put_be32s(f, &s->device); |
1676 |
qemu_put_be32s(f, &s->pointer); |
1677 |
qemu_put_be32s(f, &s->cu_base); |
1678 |
qemu_put_be32s(f, &s->cu_offset); |
1679 |
qemu_put_be32s(f, &s->ru_base); |
1680 |
qemu_put_be32s(f, &s->ru_offset); |
1681 |
qemu_put_be32s(f, &s->statsaddr); |
1682 |
/* Save epro100_stats_t statistics */
|
1683 |
qemu_put_be32s(f, &s->statistics.tx_good_frames); |
1684 |
qemu_put_be32s(f, &s->statistics.tx_max_collisions); |
1685 |
qemu_put_be32s(f, &s->statistics.tx_late_collisions); |
1686 |
qemu_put_be32s(f, &s->statistics.tx_underruns); |
1687 |
qemu_put_be32s(f, &s->statistics.tx_lost_crs); |
1688 |
qemu_put_be32s(f, &s->statistics.tx_deferred); |
1689 |
qemu_put_be32s(f, &s->statistics.tx_single_collisions); |
1690 |
qemu_put_be32s(f, &s->statistics.tx_multiple_collisions); |
1691 |
qemu_put_be32s(f, &s->statistics.tx_total_collisions); |
1692 |
qemu_put_be32s(f, &s->statistics.rx_good_frames); |
1693 |
qemu_put_be32s(f, &s->statistics.rx_crc_errors); |
1694 |
qemu_put_be32s(f, &s->statistics.rx_alignment_errors); |
1695 |
qemu_put_be32s(f, &s->statistics.rx_resource_errors); |
1696 |
qemu_put_be32s(f, &s->statistics.rx_overrun_errors); |
1697 |
qemu_put_be32s(f, &s->statistics.rx_cdt_errors); |
1698 |
qemu_put_be32s(f, &s->statistics.rx_short_frame_errors); |
1699 |
qemu_put_be32s(f, &s->statistics.fc_xmt_pause); |
1700 |
qemu_put_be32s(f, &s->statistics.fc_rcv_pause); |
1701 |
qemu_put_be32s(f, &s->statistics.fc_rcv_unsupported); |
1702 |
qemu_put_be16s(f, &s->statistics.xmt_tco_frames); |
1703 |
qemu_put_be16s(f, &s->statistics.rcv_tco_frames); |
1704 |
qemu_put_be32s(f, &s->statistics.complete); |
1705 |
#if 0
|
1706 |
qemu_put_be16s(f, &s->status);
|
1707 |
#endif
|
1708 |
|
1709 |
/* Configuration bytes. */
|
1710 |
qemu_put_buffer(f, s->configuration, sizeof(s->configuration));
|
1711 |
} |
1712 |
|
1713 |
static void nic_cleanup(VLANClientState *vc) |
1714 |
{ |
1715 |
EEPRO100State *s = vc->opaque; |
1716 |
|
1717 |
unregister_savevm(vc->model, s); |
1718 |
|
1719 |
eeprom93xx_free(s->eeprom); |
1720 |
} |
1721 |
|
1722 |
static int pci_nic_uninit(PCIDevice *dev) |
1723 |
{ |
1724 |
PCIEEPRO100State *d = (PCIEEPRO100State *) dev; |
1725 |
EEPRO100State *s = &d->eepro100; |
1726 |
|
1727 |
cpu_unregister_io_memory(s->mmio_index); |
1728 |
|
1729 |
return 0; |
1730 |
} |
1731 |
|
1732 |
static PCIDevice *nic_init(PCIBus * bus, NICInfo * nd, uint32_t device)
|
1733 |
{ |
1734 |
PCIEEPRO100State *d; |
1735 |
EEPRO100State *s; |
1736 |
|
1737 |
logout("\n");
|
1738 |
|
1739 |
d = (PCIEEPRO100State *) pci_register_device(bus, nd->model, |
1740 |
sizeof(PCIEEPRO100State), -1, |
1741 |
NULL, NULL); |
1742 |
d->dev.unregister = pci_nic_uninit; |
1743 |
|
1744 |
s = &d->eepro100; |
1745 |
s->device = device; |
1746 |
s->pci_dev = &d->dev; |
1747 |
|
1748 |
pci_reset(s); |
1749 |
|
1750 |
/* Add 64 * 2 EEPROM. i82557 and i82558 support a 64 word EEPROM,
|
1751 |
* i82559 and later support 64 or 256 word EEPROM. */
|
1752 |
s->eeprom = eeprom93xx_new(EEPROM_SIZE); |
1753 |
|
1754 |
/* Handler for memory-mapped I/O */
|
1755 |
d->eepro100.mmio_index = |
1756 |
cpu_register_io_memory(0, pci_mmio_read, pci_mmio_write, s);
|
1757 |
|
1758 |
pci_register_io_region(&d->dev, 0, PCI_MEM_SIZE,
|
1759 |
PCI_ADDRESS_SPACE_MEM | |
1760 |
PCI_ADDRESS_SPACE_MEM_PREFETCH, pci_mmio_map); |
1761 |
pci_register_io_region(&d->dev, 1, PCI_IO_SIZE, PCI_ADDRESS_SPACE_IO,
|
1762 |
pci_map); |
1763 |
pci_register_io_region(&d->dev, 2, PCI_FLASH_SIZE, PCI_ADDRESS_SPACE_MEM,
|
1764 |
pci_mmio_map); |
1765 |
|
1766 |
memcpy(s->macaddr, nd->macaddr, 6);
|
1767 |
logout("macaddr: %s\n", nic_dump(&s->macaddr[0], 6)); |
1768 |
assert(s->region[1] == 0); |
1769 |
|
1770 |
nic_reset(s); |
1771 |
|
1772 |
s->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name, |
1773 |
nic_receive, nic_can_receive, |
1774 |
nic_cleanup, s); |
1775 |
|
1776 |
qemu_format_nic_info_str(s->vc, s->macaddr); |
1777 |
|
1778 |
qemu_register_reset(nic_reset, s); |
1779 |
|
1780 |
register_savevm(s->vc->model, -1, 3, nic_save, nic_load, s); |
1781 |
return (PCIDevice *)d;
|
1782 |
} |
1783 |
|
1784 |
PCIDevice *pci_i82551_init(PCIBus * bus, NICInfo * nd, int devfn)
|
1785 |
{ |
1786 |
return nic_init(bus, nd, i82551);
|
1787 |
} |
1788 |
|
1789 |
PCIDevice *pci_i82557b_init(PCIBus * bus, NICInfo * nd, int devfn)
|
1790 |
{ |
1791 |
return nic_init(bus, nd, i82557B);
|
1792 |
} |
1793 |
|
1794 |
PCIDevice *pci_i82559er_init(PCIBus * bus, NICInfo * nd, int devfn)
|
1795 |
{ |
1796 |
return nic_init(bus, nd, i82559ER);
|
1797 |
} |
1798 |
|
1799 |
/* eof */
|